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A 7.0kg hammer strikes a nail at a velocity of 8.6m/s and comes to rest in a time interval of 8.0 ms
What is the impulse given to the nail?
What is the average force acting on the nail?
Consider a fusion reaction in which a proton fuses with a neutron to form a deuterium nucleus. How much energy is released in this reaction
Estimate the air pressure at the cloud base from the problem 1 assuming isothermal atmosphere with the average temperature between the cloud base and the surface
The earth orbits the sun in a nearly circular orbit of radius 1.49 x 1011 m. What is the acceleration of the earth
A helicopter is ascending vertically with a speed of 5.02m/s. At a height of 140m above the Earth, a package is dropped from the window. How much time does it take for the package to reach ground.
A particle of rest mass 1.10 MeV/c2 and kinetic energy 2.10 MeV collides with a stationary particle of rest mass 2.80 MeV/c2. Find the speed of the first particle before the collision
During a particular process, the pressure of the gas in a heat engine increases from 1.15×105 Pa to 2.37×105 Pa, What is the work associated with the process
Explain what is the current in the cell during this period? Assume that the gold ions carry one elementary unit of positive charge.
The random noise level of a buzzing mosquito is 32dB and that heard in a typical classroom is 71dB. How many mosquitos are required to make a noise level equivalent to that heard ina typical classroom
what is meant by 'net charge a. the total amount of positive charge of an object b. the total amount of negative charge on an object c. the total amount of neutral charge on an object d. A minus B
A parallel plate capacitor has plates each of area 100 cm^2, what is the average charge density on the positive plate?
A dodgeball with mass 594.9 g is thrown directly at him with a speed of 22.43 m/s. He catches the dodgeball and then moves with a speed of 0.2635 m/s. What is the mass of the boy
What is the minimum coefficient of friction between tires and road.
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